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Brake light comes on while stopping 96 Silverado


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bussa1
New User

Jan 31, 2012, 10:13 AM

Post #1 of 8 (1898 views)
Brake light comes on while stopping 96 Silverado Sign In

Hello I have a 96 Silverado ext cab 4x4 with a 5.7 liter engine. My brake light comes on and the pedal goes down farther than it should. I have already replaced the master cylinder twice, both calipers, all the rear brake components the brake lines and the ABS module. I am not leaking any fluid and dont get any air when I bleed the brakes. I do see brake fluid squirting inside the master cylinder when I have someone else push the brakes and it also looks like the pushrod might be pushing on the master too much because even the booster flexes out when you apply the brakes. The truck stops ok but it will not pass inspection with the light on any ideas?

Thanks alot Sam.


Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Jan 31, 2012, 10:50 AM

Post #2 of 8 (1876 views)
Re: Brake light comes on while stopping 96 Silverado Sign In

Go out and look at the calipers that you replaced and tell me if the bleeder is above the hose fitting or below it.



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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.



Tom Greenleaf
Ultimate Carjunky / Moderator
Tom Greenleaf profile image

Jan 31, 2012, 12:12 PM

Post #3 of 8 (1850 views)
Re: Brake light comes on while stopping 96 Silverado Sign In

That would do it HT. bussa1 - if these are somehow rebuilt master cylinders scream and take them back. I believe illegal to sell those where I am and wouldn't know for sure now but I never installed anything but new on those. Just a comment on how high of a failure rate they had on them and too important to fool with,

T



bussa1
New User

Jan 31, 2012, 12:21 PM

Post #4 of 8 (1845 views)
Re: Brake light comes on while stopping 96 Silverado Sign In

the bleeders are above the brake hoses.


Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Jan 31, 2012, 12:25 PM

Post #5 of 8 (1841 views)
Re: Brake light comes on while stopping 96 Silverado Sign In

You need a professional scan tool to bleed the ABS internally.



~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.



bussa1
New User

Jan 31, 2012, 1:12 PM

Post #6 of 8 (1833 views)
Re: Brake light comes on while stopping 96 Silverado Sign In

is that something that can be rented from an auto parts store or does it need to be done at a dealer?


Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Jan 31, 2012, 2:05 PM

Post #7 of 8 (1829 views)
Re: Brake light comes on while stopping 96 Silverado Sign In

Neither. The stuff the parts store has won't do it but many Independent shops have what you need. The dealer isn't necessary. Make sure you ask them if they have the software to electronically bleed.



~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.



bussa1
New User

Jan 31, 2012, 2:09 PM

Post #8 of 8 (1825 views)
Re: Brake light comes on while stopping 96 Silverado Sign In

Ok. I will try that out thanks alot!






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